water chestnut: Meaning and Definition of

wa'ter chest"nut

Pronunciation: [key]
  1. any aquatic plant of the genus Trapa, bearing an edible, nutlike fruit, esp. T. natans, of the Old World.
  2. the fruit itself. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.